Gorman-Rupp RS3A31-B
Self-Priming Centrifugal Pump
Built for petroleum transfer applications where dependable priming matters. The RS3A31-B combines a rotary vane priming pump and a centrifugal pump in one housing, automatically removing air and vapor to establish or restore pumping.
Key Features & Specifications:
✅ Automatic Priming – Removes air and vapor during startup or when suction is interrupted.
✅ Durable Construction – Ductile iron 65-45-12 casing and bearing housing.
✅ Flanged Connections – 4-inch suction × 3-inch discharge.
✅ Five-Vane Impeller – Enclosed aluminum 356-T6 impeller.
✅ Solids Handling – Accommodates spherical solids up to 3/8 inch (9.5 mm).
✅ Steel 1045 Shaft – Provides mechanical strength for pump operation.
✅ Mechanical Seal – Carbon rotating face with Ni-Resist stationary face.
✅ Maximum Operating Pressure – 71 PSI (490 kPa).
✅ Maximum Liquid Temperature – 160°F (71°C).
Need a pump for your petroleum transfer application? Contact BRAAMD to discuss your requirements. Send us a message at sales@braamd.com or support@braamd.com.